<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            font-size: 15px;
        }

        body {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            background-color: #222;
        }

        h1 {
            color: #333;
            font-family: Arial, Helvetica, sans-serif;
            font-size: 8rem;
            letter-spacing: -0.3rem;
            position: relative;
        }

        h1::after {
            content: attr(data-text);
            position: absolute;
            color:transparent;
            left: 0;
            top: 0;
            clip-path: ellipse(100px 100px at 0% 50%);
            -webkit-clip-path: ellipse(100px 100px at 0% 50%);
            animation: spotlight 5s infinite;
            background-image: linear-gradient(120deg, #d4fc79 0%, #96e6a1 100%);
            background-image: linear-gradient(to top, #9be15d 0%, #00e3ae 100%);
            background-clip: text;
            -webkit-background-clip: text;
        }

        @keyframes spotlight {
            0% {
                clip-path: ellipse(100px 100px at 0% 50%);
                -webkit-clip-path: ellipse(100px 100px at 0% 50%);
            }
            50% {
                clip-path: ellipse(100px 100px at 100% 50%);
                -webkit-clip-path: ellipse(100px 100px at 100% 50%);
            }
            100% {
                clip-path: ellipse(100px 100px at 0% 50%);
                -webkit-clip-path: ellipse(100px 100px at 0% 50%);
            }
        }
    </style>
</head>

<body>
    <div class="container">
        <h1 data-text="CodingStarUp!">CodingStarUp</h1>
    </div>
</body>

</html>
